News

  • EVENT 03-06-2022
    Rescheduling of vehicles with considerable revenue growth and cost savings

    Rescheduling of vehicles with considerable revenue growth and cost savings

    On June 8th, under the "Disruption management and increasing capacity" session, SISCOG's Innovation Department Head Ricardo Saldanha, and optimisation specialist Rita Portugal, will present the paper entitled “Rescheduling rolling stock rosters as a profit optimisation problem” at the flagship World…
  • NEWS 15-02-2022
    AI4RealAg finalist in the Entrepreneurship and Innovation Award

    AI4RealAg finalist in the Entrepreneurship and Innovation Award

    The AI4RealAg project, an intelligent system capable of generating useful forecasts and information for farmers, is one of the 12 finalists of the 2021 Crédito Agrícola Entrepreneurship and Innovation Award.
  • Paper
    Optimising timetables with Machine Learning

    Optimising timetables with Machine Learning

    SISCOG has just published a scientific paper addressing the optimisation of public transport timetables with respect to passenger’s total travel times, combining several techniques that have never been applied in the field, including reinforcement learning. The approach applied to real-world data pe…
  • CASE STUDY
    VIA RAIL Canada saves millions in optimised operation

    VIA RAIL Canada saves millions in optimised operation

    SISCOG has released a case study that highlights the financial and management advantages of the decision-support and optimisation system used by the Canadian operator VIA RAIL. One of the benefits was a 10M CAD saving by reducing the need for one train set, while increasing overall passenger seat av…
  • PAPER
    Rescheduling in emergency scenarios

    Rescheduling in emergency scenarios

    Unexpected events bring different levels of disruptions to our lives and to businesses. Public transport is no exception. And here, the impact may be multiple – on passengers, staff, revenue, and profit.
  • Article

    CREWS helps the Dutch Railways cope with extreme weather

    SISCOG's CREWS-based system, an advanced tool that includes Operations Research, helps to reschedule the Dutch Railways' (NS) crew and cope with extreme weather conditions. In an article from Impact Magazine, Pieter-Jan Fioole, Senior Research Leader, and Dennis Huisman, Expertise Manager Logisti…
    CREWS helps the Dutch Railways cope with extreme weather
  • Paper
    The challenge of scheduling a safe arrival of trains

    The challenge of scheduling a safe arrival of trains

    This challenge is addressed in the paper “The train frequency compatibility problem” co-authored by SISCOG. In the rail transport area, line planning is the widely studied problem of designing line plans for a public transportation system that meet given passenger demands. After the line planning p…